EP0621128A2 - Multilayered thermoplastic floor covering based on polyolefins and method for its production - Google Patents

Multilayered thermoplastic floor covering based on polyolefins and method for its production Download PDF

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Publication number
EP0621128A2
EP0621128A2 EP94104475A EP94104475A EP0621128A2 EP 0621128 A2 EP0621128 A2 EP 0621128A2 EP 94104475 A EP94104475 A EP 94104475A EP 94104475 A EP94104475 A EP 94104475A EP 0621128 A2 EP0621128 A2 EP 0621128A2
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Prior art keywords
weight
layer
polyolefin
mixture
film
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EP94104475A
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German (de)
French (fr)
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EP0621128B1 (en
EP0621128A3 (en
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Norbert Dr. Müller
Brigitte Rein
Michael Cornelius
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Renolit SE
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Tarkett Pegulan AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02172—Floor elements with an anti-skid main surface, other than with grooves

Definitions

  • the present invention relates to a floor covering on the basis of a polyolefin or polyolefin-containing layer, from an intermediate part, which consists of cork or cork sheets or possibly from a thermoplastic, highly filled molding compound or also from an EVA-based foam base, on the top of a transparent wear layer and is surrounded on the underside by an adhesive base, both of which each have a transparent sealing layer with the above Intermediate part are connected.
  • an intermediate part which consists of cork or cork sheets or possibly from a thermoplastic, highly filled molding compound or also from an EVA-based foam base
  • thermoset adhesive layers or corresponding adhesion promoter layers which requires an increased amount of work and additional materials. Since these materials cannot be recycled together with the polyolefins, such floor coverings have to be burned later or the various plastics have to be laboriously separated.
  • the aim and object of the present invention is therefore to find a PVC-free, bondable flooring compound with the corresponding properties of a PVC-based flooring compound, in which the individual film layers also correspond to one another in terms of material class, which is therefore also recyclable.
  • the advantage lies in the fact that residues of such a floor covering, which inevitably arise both during manufacture and during finishing, can be disposed of without restrictions, which is very difficult to achieve with the corresponding floor coverings based on PVC. This is ensured by the above invention without that the other properties of flooring based on PVC deteriorate, but such. B. demonstrably even improve with wear.
  • Another advantage of the invention is that the use of the sealing layer increases the transparency of the wear layer in the end product.
  • VLDPE very low density polyethylene
  • MFI melt index (190 ° C / 2.16 kg) of up to 10 g / 10 min, preferably from 0.3 to 7 g / 10 min, with 20 to 80% by weight, preferably 30 to 40% by weight, of a polypropylene copolymer with a comonomer content of up to 12%, preferably 4 to 8%, a calendered film with a thickness of 0.08 to 1.00 mm, which fulfills the desired properties.
  • VLDPE very low density polyethylene
  • MFI melt index
  • the transparent wear layer can contain light stabilizers such as HALS products and / or UV absorbers and processing aids such as metal salts of carboxylic acids, especially magnesium stearate, and sterically hindered phenols and / or polymer-based esters and also antistatic agents in order to obtain a closed, well-tolerated surface , and to facilitate later processing to the end product.
  • light stabilizers such as HALS products and / or UV absorbers
  • processing aids such as metal salts of carboxylic acids, especially magnesium stearate, and sterically hindered phenols and / or polymer-based esters and also antistatic agents in order to obtain a closed, well-tolerated surface , and to facilitate later processing to the end product.
  • the wear layer can also consist of a transparent polyolefin film which is based on a mixture of LLDPE and VLDPE (as is already known from patent application DE 41 27 107).
  • LLDPE and VLDPE as is already known from patent application DE 41 27 107.
  • the wear layer can also be provided with a counter print if necessary.
  • the sealing layer which connects the intermediate part with a transparent wear layer as well as (see Fig. 1) with the glueable lower part directly, is itself transparent and is composed of a mixture of LLDPE and VLDPE, which is derived from DE 41 27 107 is known.
  • This sealing layer produces good adhesion even at relatively low sealing temperatures, both between the transparent wear layer and the intermediate layer, made of cork or cork sheets, if applicable, or made of a thermoplastic, highly filled molding compound or even from an EVA-based foam pad, as described in DE -P 42 22 724 is described, as well as between the filled adhesive base and the intermediate layer.
  • This sealing layer can be co-extruded in one operation together with the transparent wear layer or the glue-on lower part using a slot extruder, as well as produced in separate operations using a calender system and then duplicated with the other layers using a duplicating device, the sealing layer also using its own Decor can be printed.
  • the sealing layers have a thickness of 50-500 ⁇ m, preferably 100-200 ⁇ m.
  • This film consists, for. B. from a mixture of up to 65 wt .-%, preferably 40 to 60 wt .-% of a copolymer of an ethylene acrylic acid ester based on EBA or EMA with an ester content of up to 40%, with up to 10 wt .-% , preferably 5 to 8% by weight, an HDPE with a density of> 0.940 g / cm3 and a melt index MFI (190 ° C / 21.6 kg) under 10 g / 10 min or, if applicable, with a VLDPE with a density of ⁇ 0.915 g / cm3 and a melt index MFI (190 ° C / 2.16 kg) between 1.0 and 10 g / 10 min and up to 60% by weight of a mineral filler or filler mixture.
  • for. B aluminum hydroxide and / or magnesium hydroxide with an average grain diameter of up to 35 microns, preferably 1.0 to 15 microns, used.
  • Processing aids based on sterically hindered phenols and / or phosphites and metal salts of carboxylic acids, in particular magnesium stearate, and, if appropriate, additionally up to 20% by weight of color components can also be present.
  • This mixture is drawn out into films or film webs up to 0.5 mm thick on a calender system.
  • the films or film webs produced in this way are then duplicated or tripliced on a duplicating calender to the intermediate part with a final thickness of up to 3 mm and can, if necessary, also be printed with their own decor.
  • This mixture is drawn out on a calender system to form foils or foil webs with a thickness of up to 0.50 mm.
  • the film or film web produced in this way can be subjected to a corona treatment in a corona system, either “in-line” in relation to the calender or in a separate operation.
  • the wear layer (possibly with reverse printing), the intermediate layer (possibly printed with your own decor) and the lower part with the respective sealing layer can be joined together on a duplicating or tripling system to form the multilayer thermoplastic polyolefin-based floor.
  • the intermediate layer consists of cork sheets or cork sheets or an EVA-based foam underlay
  • the wear layer and lower part can be brought together with the respective sealing layer using a press or press system (see Fig. 1, 3 and 4).
  • VLDPE very low density polyethylene
  • MFI melt index
  • DOX R NG 5065 E melt index MFI
  • MFI melt index
  • MOPLEN R EP2 S 29 B melt index MFI
  • Foil 2 (sealing layer):
  • a very low density ethylene polymer (ATTANE R NG 4012 E is mixed with 0.1% by weight of an amide wax (LOXAMID R E) and 0.2% by weight of a sterically hindered phenol (IRGANOX R 1010), premixed and mixed in one Stamp kneader plasticized at 125 ° C and then further homogenized on a two-roll mixing mill at 135 ° C, in order to be subsequently calendered via a 4-roll calender system to form a 0.1 to 0.5 mm thick transparent sealing film, the first of which until the fourth calender roll, the processing temperature drops from 145 to 130 ° C.
  • a copolymer of an EMA-based ethylene acrylic acid ester with an ester content of 28% (LOTRYL R 29 MA 03) is mixed with 50% by weight of aluminum hydroxide (MARTINAL R ON 310), 1% by weight of a metal salt of stearic acid (ZINCUM R 5).
  • a processing stabilizer based on phosphite, as well as sterically hindered phenols IRGANOX R B 220
  • the individual foils produced in this way are subsequently duplicated or tripled on a duplicating calender system to form an end foil of up to 3 mm in thickness.
  • film 1 wear layer
  • film 2 sealing layer
  • film 1 wear layer
  • film 2 sealing layer
  • the cork underlay is still pressed with film 2 (sealing layer) and film 4 (glueable underlayer) to the end product even at temperatures of 140 to 150 ° C. on a press or press system.
  • Foil 1 (wear layer) and foil 2 (sealing layer) are duplicated to a 1.5 mm thick foil on a duplicating calender system; then foil 4 (glue-on underlayer) is duplicated with foil 2 (sealing layer) to a 1 mm thick foil.
  • the filled intermediate part consists of the film 3, which is duplicated or tripled on a duplicating calender system to a final thickness of 3 mm. Subsequently, all 3 films produced in this way are also duplicated on a duplicating calender system to form a multilayer floor covering with a final thickness of 5.5 mm.
  • the film 1 (wear layer) and film 2 (sealing layer) provided with a counter pressure are duplicated to a 1.5 mm thick film; subsequently foil 4 (glue-on underlayer) is duplicated with foil 2 (sealing layer) to a 1 mm thick foil. Then these two foils are pressed on a press or press system at temperatures of 140 to 150 ° C with layers of cork or cork sheets.
  • film 1 wear layer
  • film 2 sealing layer
  • film 4 sublayer which can be glued
  • the floor covering constructed in this way in several layers has the following properties: Shore hardness A: 87 DIN 53505 D: 31 DIN 53505 Impression behavior 2.5 h load: 0.32 mm DIN 51955 2.5 h discharge: 88% DIN 51955 Raising: along: 0 mm DIN 51962 across: 0 mm DIN 51962 Wear: 0.99 mm DIN 51963 corresponding PVC-based covering: 1.95 mm Sliding behavior (longitudinal) dry: 90 cm according to BAM test wet: 112 cm (StVZO ⁇ 35d) corresponding PVC-based covering: dry: 140 cm according to BAM test wet: 155 cm (StVZO ⁇ 35d) Fire test: NBR MVSS 302 B 2 DIN 4102 Wear values of the transparent wear layer (Frankenthal method) PE PP values 70% by weight 30% by weight 0.68 65% by weight 35% by weight 0.69 60% by weight 40% by weight 0.74 40% by weight 60% by weight 0.36

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Abstract

The present invention relates to floor coverings based on at least one polyolefin or polyolefin-containing layer or sheet, where the multilayer floor covering sheet contains up to five sheets or films, where a transparent upper film or wear layer comprises a polyolefin-containing plastic mixture which is bonded to an intermediate part comprising a highly filled polyolefin or a highly filled polyolefin mixture, optionally also cork sheets or cork webs or alternatively a foam substrate based on PVA, via a transparent heat-sealing film comprising a polyolefin or a polyolefin mixture, where the intermediate part may optionally also be bonded via the transparent heat-sealing layer to a lower part which can be bonded to the substrate and which comprises a filler-containing polyolefin mixture, and to a process for the production thereof.

Description

Die vorliegende Erfindung betrifft einen Fußbodenbelag auf der Basis eines Polyolefins oder polyolefinhaltigen Schicht, aus einem Zwischenteil, welches aus Kork oder Korkbahnen oder ggf. aus einer thermoplastischen hochgefüllten Formmasse oder auch aus einer Schaumunterlage auf EVA-Basis besteht, auf der Oberseite von einer transparenten Nutzschicht und auf der Unterseite von einem verklebbaren Unterteil umgeben ist, die beide jeweils über eine transparente Siegelschicht mit dem o. g. Zwischenteil verbunden sind.The present invention relates to a floor covering on the basis of a polyolefin or polyolefin-containing layer, from an intermediate part, which consists of cork or cork sheets or possibly from a thermoplastic, highly filled molding compound or also from an EVA-based foam base, on the top of a transparent wear layer and is surrounded on the underside by an adhesive base, both of which each have a transparent sealing layer with the above Intermediate part are connected.

Aus den DE 41 07 150 und DE 41 07 151 ist bekannt, solche Schichten über duromere Klebstoffschichten oder entsprechende Haftvermittlerschichten zu verbinden, was einen erhöhten Arbeitsaufwand und zusätzliche Materialien erfordert. Da diese Materialien nicht zusammen mit den Polyolefinen recyclisiert werden können, müssen solche Bodenbeläge später verbrannt oder die verschiedenen Kunststoffe mühsam getrennt werden.From DE 41 07 150 and DE 41 07 151 it is known to connect such layers by means of thermoset adhesive layers or corresponding adhesion promoter layers, which requires an increased amount of work and additional materials. Since these materials cannot be recycled together with the polyolefins, such floor coverings have to be burned later or the various plastics have to be laboriously separated.

Ziel und Aufgabe der vorliegenden Erfindung ist es daher, einen PVC-freien verklebefähigen Fußbodenverbund mit den entsprechenden Eigenschaften eines Fußbodenverbundes auf PVC-Basis zu finden, bei dem die einzelnen Folienschichten sich auch stoffklassenmäßig entsprechen, der damit auch recyclefähig ist. Der Vorteil liegt darin begründet, daß Reste eines solchen Fußbodenbelags, die sowohl bei der Herstellung, als auch bei der Endverarbeitung zwangsläufig anfallen, ohne Einschränkungen entsorgt werden können, was bei den entsprechenden Fußbodenbelägen auf PVC-Basis nur sehr schwer möglich ist. Dies wird durch die o. g. Erfindung gewährleistet, ohne daß die sonstigen Eigenschaften von Fußbodenbelägen auf PVC-Basis sich verschlechtern, sondern wie z. B. bei dem Verschleiß sich nachweislich sogar verbessern. Ein weiterer Erfindungsbedingter Vorteil zeigt sich darin, daß durch die Verwendung der Siegelschicht die Transparenz der Nutzschicht bei dem Endprodukt gesteigert wird.The aim and object of the present invention is therefore to find a PVC-free, bondable flooring compound with the corresponding properties of a PVC-based flooring compound, in which the individual film layers also correspond to one another in terms of material class, which is therefore also recyclable. The advantage lies in the fact that residues of such a floor covering, which inevitably arise both during manufacture and during finishing, can be disposed of without restrictions, which is very difficult to achieve with the corresponding floor coverings based on PVC. This is ensured by the above invention without that the other properties of flooring based on PVC deteriorate, but such. B. demonstrably even improve with wear. Another advantage of the invention is that the use of the sealing layer increases the transparency of the wear layer in the end product.

Erfindungsgemäß wurde festgestellt, daß bei der Nutzschicht, was Transparenz wie auch Abriebfestigkeit betrifft, 20 bis 80 Gew.-% eines Polyethylens sehr niederer Dichte (VLDPE) mit einem Schmelzindex MFI (190 °C/2,16 kg) von bis zu 10 g/10 min, vorzugsweise von 0,3 bis 7 g/10 min, mit 20 bis 80 Gew.-%, vorzugsweise 30 bis 40 Gew.-%, eines Polypropylen-Copolymers mit einem Comonomeranteil von bis zu 12 %, vorzugsweise 4 bis 8 %, eine kalandrierte Folie mit einer Stärke von 0,08 bis 1,00 mm ergeben, die die gewünschten Eigenschaften erfüllt. Die transparente Nutzschicht kann mit Lichtschutzmitteln wie HALS-Produkten und/oder UV-Absorbern und Verarbeitungshilfen wie Metallsalze von Carbonsäuren, insbesondere Magnesiumstearat, und sterisch gehinderte Phenole und/oder Ester auf Polymerbasis und auch Antistatika enthalten, um eine geschlossene, gut verträgliche Oberfläche zu erhalten, und um die spätere Weiterverarbeitung zum Endprodukt hin zu erleichtern.According to the invention, it was found that in the wear layer, in terms of both transparency and abrasion resistance, 20 to 80% by weight of a very low density polyethylene (VLDPE) with a melt index MFI (190 ° C / 2.16 kg) of up to 10 g / 10 min, preferably from 0.3 to 7 g / 10 min, with 20 to 80% by weight, preferably 30 to 40% by weight, of a polypropylene copolymer with a comonomer content of up to 12%, preferably 4 to 8%, a calendered film with a thickness of 0.08 to 1.00 mm, which fulfills the desired properties. The transparent wear layer can contain light stabilizers such as HALS products and / or UV absorbers and processing aids such as metal salts of carboxylic acids, especially magnesium stearate, and sterically hindered phenols and / or polymer-based esters and also antistatic agents in order to obtain a closed, well-tolerated surface , and to facilitate later processing to the end product.

Gegenüber herkömmlichen Polyolefinfolien auf PP-Basis ohne den PE-Zusatz zeigt sich hierin eine erhöhte Rutschhemmung bei gleichzeitiger Abnahme der Glätte und ein sehr gutes Abriebverhalten. Um entsprechende Ergebnisse zu erhalten, kann die Nutzschicht auch aus einer transparenten Polyolefinfolie bestehen, die auf einer Mischung von LLDPE mit VLDPE basiert (wie schon aus der Patentanmeldung DE 41 27 107 bekannt ist). Auch hier wirkt es sich u.a. vorteilhaft aus, daß das Verschleiß- bzw. Abriebverhalten gegenüber herkömmlichen Fußbodenbelägen auf PVC-Basis sich eindeutig verbessert. Zudem kann die Nutzschicht ggf. auch mit einem Konterdruck versehen werden.Compared to conventional PP-based polyolefin films without the addition of PE, this shows increased slip resistance with simultaneous decrease in smoothness and very good abrasion behavior. In order to obtain corresponding results, the wear layer can also consist of a transparent polyolefin film which is based on a mixture of LLDPE and VLDPE (as is already known from patent application DE 41 27 107). Here, too, it is advantageous, inter alia, that the wear or abrasion behavior compared to conventional ones Flooring based on PVC is clearly improving. In addition, the wear layer can also be provided with a counter print if necessary.

Die Siegelschicht, die das Zwischenteil sowohl mit einer transparenten Nutzschicht wie auch ggf. (s. Abb. 1) mit dem verklebbaren Unterteil direkt verbindet, ist selbst transparent und setzt sich aus einer Mischung von LLDPE mit VLDPE zusammen, die aus DE 41 27 107 bekannt ist. Diese Siegelschicht bewirkt schon bei relativ niedrigen Siegeltemperaturen eine gute Haftung, sowohl zwischen transparenter Nutzschicht und der Zwischenschicht, aus ggf. Kork oder Korkbahnen oder ggf. aus einer thermoplastischen, hochgefüllten Formmasse oder auch aus einer Schaumunterlage auf EVA-Basis, wie sie in der DE-P 42 22 724 beschrieben ist, wie auch zwischen dem gefüllten verklebbaren Unterteil und der Zwischenschicht. Diese Siegelschicht kann sowohl in einem Arbeitsgang zusammen mit der transparenten Nutzschicht bzw. dem verklebbaren Unterteil über einen Breitschlitzextruder coextrudiert, wie auch in getrennten Arbeitsgängen über eine Kalanderanlage hergestellt und anschließend über eine Dubliervorrichtung mit den übrigen Schichten dubliert werden, wobei die Siegelschicht auch mit einem eigenen Dekor bedruckt sein kann. Die Siegelschichten weisen eine Dicke von 50 - 500 µm, vorzugsweise 100 - 200 µm auf.The sealing layer, which connects the intermediate part with a transparent wear layer as well as (see Fig. 1) with the glueable lower part directly, is itself transparent and is composed of a mixture of LLDPE and VLDPE, which is derived from DE 41 27 107 is known. This sealing layer produces good adhesion even at relatively low sealing temperatures, both between the transparent wear layer and the intermediate layer, made of cork or cork sheets, if applicable, or made of a thermoplastic, highly filled molding compound or even from an EVA-based foam pad, as described in DE -P 42 22 724 is described, as well as between the filled adhesive base and the intermediate layer. This sealing layer can be co-extruded in one operation together with the transparent wear layer or the glue-on lower part using a slot extruder, as well as produced in separate operations using a calender system and then duplicated with the other layers using a duplicating device, the sealing layer also using its own Decor can be printed. The sealing layers have a thickness of 50-500 µm, preferably 100-200 µm.

Wenn die Zwischenschicht aus Gründen der Schalldämmung wie auch der Kunststoff-Wärmeisolierung nicht aus Korkplatten oder Korkbahnen aufgebaut ist, so kann auch eine hochgefüllte Kunststoffolie eingesetzt werden. Diese Folie besteht z. B. aus einer Mischung von bis zu 65 Gew.-%, vorzugsweise 40 bis 60 Gew.-% eines Copolymerisats eines Ethylenacrylsäureesters auf EBA- oder EMA-Basis mit einem Estergehalt von bis zu 40 %, mit bis zu 10 Gew.-%, vorzugsweise 5 bis 8 Gew.-%, eines HDPE mit einer Dichte von > 0,940 g/cm³ und einem Schmelzindex MFI (190 °C/21,6 kg) unter 10 g/10 min oder ggf. mit einem VLDPE mit einer Dichte von < 0,915 g/cm³ und einem Schmelzindex MFI (190 °C/2,16 kg) zwischen 1,0 und 10 g/10 min sowie bis zu 60 Gew.-% eines mineralischen Füllstoffes oder Füllstoffgemisches.If the intermediate layer is not made of cork boards or cork sheets for reasons of sound insulation and plastic thermal insulation, a highly filled plastic film can also be used. This film consists, for. B. from a mixture of up to 65 wt .-%, preferably 40 to 60 wt .-% of a copolymer of an ethylene acrylic acid ester based on EBA or EMA with an ester content of up to 40%, with up to 10 wt .-% , preferably 5 to 8% by weight, an HDPE with a density of> 0.940 g / cm³ and a melt index MFI (190 ° C / 21.6 kg) under 10 g / 10 min or, if applicable, with a VLDPE with a density of <0.915 g / cm³ and a melt index MFI (190 ° C / 2.16 kg) between 1.0 and 10 g / 10 min and up to 60% by weight of a mineral filler or filler mixture.

Als Füllstoff wird z. B. Aluminiumhydroxid und/oder Magnesiumhydroxid mit einem mittleren Körnungsdurchmesser von bis zu 35 µm, vorzugsweise 1,0 bis 15 µm, eingesetzt. Ferner können Verarbeitungshilfsmittel auf Basis sterisch gehinderter Phenole und/oder Phosphite und Metallsalze von Carbonsäuren, insbesondere Magnesiumstearat, und ggf. zusätzlich bis zu 20 Gew.-% an Farbkomponenten enthalten sein. Diese Mischung wird zu Folien oder Folienbahnen von bis zu 0,5 mm Stärke auf einer Kalanderanlage ausgezogen. Die auf diese Art und Weise hergestellten Folien oder Folienbahnen werden anschließend auf einem Dublierkalander zu dem Zwischenteil von einer Endstärke von bis zu 3 mm dubliert bzw. tripliert und können ggf. auch mit einem eigenen Dekor bedruckt werden.As a filler, for. B. aluminum hydroxide and / or magnesium hydroxide with an average grain diameter of up to 35 microns, preferably 1.0 to 15 microns, used. Processing aids based on sterically hindered phenols and / or phosphites and metal salts of carboxylic acids, in particular magnesium stearate, and, if appropriate, additionally up to 20% by weight of color components can also be present. This mixture is drawn out into films or film webs up to 0.5 mm thick on a calender system. The films or film webs produced in this way are then duplicated or tripliced on a duplicating calender to the intermediate part with a final thickness of up to 3 mm and can, if necessary, also be printed with their own decor.

Aus der Patentanmeldung DE 41 07 151 ist bekannt, daß gefüllte Unterfolien aus Polypropylen-Polymerisaten eine hohe Oberflächenspannung und damit eine gute Bedruckbarkeit erzielen. Es stellte sich jedoch erfindungsbedingt für das Unterteil heraus, daß bei Verwendung einer Mischung von bis u 60 Gew.-%, vorzugsweise 30 bis 50 Gew.-%, von einem statistischen Copolymer eines Polypropylens mit einem Schmelzindex MFI (230 °C/2,16 kg) von < als 11 g/10 min und bevorzugt 2 bis 8 g/10 min und einem Comonomeranteil von < als 10 % und bevorzugt 3 bis 5 % mit bis zu 45 Gew.-%, vorzugsweise 25 bis 35 Gew.-%, und/oder eines Copolymerisates eines Ethylensäureesters auf EBA oder EMA-Basis mit einem Estergehalt von bis zu 40 % und/oder eines Terpolymers eines Acrylsäureesters mit einem Comonomergehalt von bis zu 40 % und/oder eines Copolymerisates eines Propylens mit Maleinsäureanhydrid und/oder eines Copolymerisates eines Polyethylens mit Maleinsäureanhydrid mit einem Schmelzindex MFI (230 °C/2,16 kg) von bis zu 30 g/10 min und bis zu 60 Gew.-%, vorzugsweise 20 bis 25 Gew.-%, eines mineralischen Füllstoffes oder Füllstoffgemisches, bestehend aus Aluminumhydroxid und/oder Magnesiumhydroxid mit einem mittleren Körnungsdurchmesser von bis zu 35 µm, vorzugsweise 1,0 bis 15 µm, und Verarbeitungshilfsmitteln auf Basis von sterisch gehinderter Phenole und/oder Phosphiten und Metallsalzen von Carbonsäuren, insbesondere Magnesiumstearat, die Verklebbarkeit gesichert wird, wobei ein weiterer Vorteil das Bestehen der Brandprüfung nach DIN 4102/B 1 für den Gesamtverbund ist. Diese Mischung wird auf einer Kalanderanlage zu Folien oder Folienbahnen von einer Stärke von bis zu 0,50 mm ausgezogen. Um die Verklebbarkeit des Unterteils mit dem Untergrund zu erhöhen, kann die auf diese Art und Weise hergestellte Folie oder Folienbahn in einer Coronaanlage einer Coronabehandlung entweder "In-Line" kalanderbezogen oder in einem getrennten Arbeitsgang unterzogen werden.From patent application DE 41 07 151 it is known that filled bottom films made of polypropylene polymers achieve a high surface tension and thus good printability. According to the invention, however, it was found for the lower part that when using a mixture of up to u 60% by weight, preferably 30 to 50% by weight, of a random copolymer of a polypropylene with a melt index MFI (230 ° C / 2, 16 kg) of <than 11 g / 10 min and preferably 2 to 8 g / 10 min and a comonomer fraction of <than 10% and preferably 3 to 5% with up to 45% by weight, preferably 25 to 35% by weight %, and / or a copolymer of an ethylene acid ester based on EBA or EMA with an ester content of up to 40% and / or a terpolymer of an acrylic acid ester a comonomer content of up to 40% and / or a copolymer of a propylene with maleic anhydride and / or a copolymer of a polyethylene with maleic anhydride with a melt index MFI (230 ° C / 2.16 kg) of up to 30 g / 10 min and up to 60 wt .-%, preferably 20 to 25 wt .-%, of a mineral filler or filler mixture consisting of aluminum hydroxide and / or magnesium hydroxide with an average grain diameter of up to 35 microns, preferably 1.0 to 15 microns, and processing aids based of sterically hindered phenols and / or phosphites and metal salts of carboxylic acids, in particular magnesium stearate, the bondability is ensured, a further advantage being the passing of the fire test according to DIN 4102 / B 1 for the overall composite. This mixture is drawn out on a calender system to form foils or foil webs with a thickness of up to 0.50 mm. In order to increase the bondability of the lower part to the substrate, the film or film web produced in this way can be subjected to a corona treatment in a corona system, either “in-line” in relation to the calender or in a separate operation.

Anschließend können Nutzschicht (ggf. mit Konterdruck), Zwischenschicht (ggf. mit eigenem Dekor bedruckt) und Unterteil mit der jeweiligen Siegelschicht an einer Dublier- bzw. Triplieranlage zu dem mehrlagig aufgebauten thermoplastischen Fußboden auf Polyolefinbasis zusammengefügt werden. Besteht die Zwischenschicht aus Korkbahnen oder Korkplatten oder einer Schaumunterlage auf EVA-Basis, so können Nutzschicht und Unterteil mit der ggf. jeweiligen Siegelschicht mittels einer Presse oder Preßanlage zusammengeführt werden (s. Abb. 1, 3 und 4).Subsequently, the wear layer (possibly with reverse printing), the intermediate layer (possibly printed with your own decor) and the lower part with the respective sealing layer can be joined together on a duplicating or tripling system to form the multilayer thermoplastic polyolefin-based floor. If the intermediate layer consists of cork sheets or cork sheets or an EVA-based foam underlay, the wear layer and lower part can be brought together with the respective sealing layer using a press or press system (see Fig. 1, 3 and 4).

In den folgenden Beispielen werden ausgewählte Anwendungen beschrieben.The following examples describe selected applications.

BeispieleExamples Folie 1 (Nutzschicht):Slide 1 (wear layer):

70 Gew.-% eines Polyethylens sehr niederer Dichte (VLDPE) mit einem Schmelzindex MFI (190 °C/2,16 kg) von 1,1 g/10 min (DOWLEXR NG 5065 E) werden mit 30 Gew.-% eines Polypropylen-Random-Copolymers mit einem Comonomergehalt von 5,5 % und einem Schmelzindex MFI (230 °C/2,16 kg) von 1,5 g /10 min (MOPLENR EP2 S 29 B) und mit 0,2 Gew.-% eines Calciumstearats (CEASITRI) und 0,2 Gew.-% eines sterisch gehinderten Phenols (IRGANOXR 1010) und mit einem Lichtschutzmittel auf HALS-Basis (TINUVINR 770 DF) in Höhe von 0,8 Gew.-% versetzt, vorgemischt und in einem Stempelkneter bei 150 °C anplastifiziert und anschließend auf einem Zweiwalzen-Mischwalzwerk weiter durchhomogenisiert, um nachfolgend über eine 4-Walzen-Kalanderanlage zu einer 0,08 bis 1,0 mm dicken transparenten Folie kalandriert zu werden, wobei von der ersten bis zur vierten Kalanderwalze die Verarbeitungstemperatur von 180 auf 170 °C sinkt.70 wt .-% of a very low density polyethylene (VLDPE) with a melt index MFI (190 ° C / 2.16 kg) of 1.1 g / 10 min (DOWLEX R NG 5065 E) with 30 wt .-% one Polypropylene random copolymer with a comonomer content of 5.5% and a melt index MFI (230 ° C / 2.16 kg) of 1.5 g / 10 min (MOPLEN R EP2 S 29 B) and with 0.2 wt. % of a calcium stearate (CEASIT R I) and 0.2% by weight of a sterically hindered phenol (IRGANOX R 1010) and with a light stabilizer based on HALS (TINUVIN R 770 DF) in the amount of 0.8% by weight added, premixed and plastified in a stamp kneader at 150 ° C and then further homogenized on a two-roll mixing mill, in order to be subsequently calendered to a 0.08 to 1.0 mm thick transparent film using a 4-roll calender system, whereby from the first to the fourth calender roll, the processing temperature drops from 180 to 170 ° C.

Folie 2 (Siegelschicht):Foil 2 (sealing layer):

Ein Ethylenpolymerisat sehr niederer Dichte (ATTANER NG 4012 E wird mit 0,1 Gew.-% eines Amidwachses (LOXAMIDR E) und 0,2 Gew.-% eines sterisch gehinderten Phenols (IRGANOXR 1010) versetzt, vorgemischt und in einem Stempelkneter bei 125 °C anplastifiziert und anschließend auf einem Zweiwalzen-Mischwalzwerk bei 135 °C weiter durchhomogenisiert, um nachfolgend über eine 4-Walzen-Kalanderanlage zu einer 0,1 bis 0,5 mm starken transparenten Siegelfolie kalandriert zu werden, wobei von der ersten bis zur vierten Kalanderwalze die Verarbeitungstemperatur von 145 auf 130 °C sinkt.A very low density ethylene polymer (ATTANE R NG 4012 E is mixed with 0.1% by weight of an amide wax (LOXAMID R E) and 0.2% by weight of a sterically hindered phenol (IRGANOX R 1010), premixed and mixed in one Stamp kneader plasticized at 125 ° C and then further homogenized on a two-roll mixing mill at 135 ° C, in order to be subsequently calendered via a 4-roll calender system to form a 0.1 to 0.5 mm thick transparent sealing film, the first of which until the fourth calender roll, the processing temperature drops from 145 to 130 ° C.

Folie 3 (Zwischenteil):Slide 3 (intermediate part):

Ein Copolymerisat eines Ethylenacrylsäureesters auf EMA-Basis mit einem Estergehalt von 28 % (LOTRYLR 29 MA 03) wird mit 50 Gew.-% Aluminiumhydroxid (MARTINALR ON 310), 1 Gew.-% eines Metallsalzes der Stearinsäure (ZINCUMR 5) und 1 Gew.-% eines Verarbeitungsstabilisators auf Phosphitbasis wie auch sterisch gehinderter Phenole (IRGANOXR B 220) vorgemischt und in einem Stempelkneter bei 130 °C anplastifiziert und anschließend auf einem nachgeschalteten Zweiwalzen-Mischwalzwerk weiter durchhomogenisiert, um nachfolgend über eine 4-Walzen-Kalanderanlage zu einer 0,5 mm starken Folie kalandriert zu werden, wobei von der ersten bis zur vierten Kalanderwalze die Verarbeitungstemperatur von 145 bis 130 °C sinkt. Die auf diese Art und Weise erzeugten Einzelfolien werden nachfolgend auf einer Dublierkalanderanlage zu einer Endfolie von bis zu 3 mm Dicke dubliert bzw. tripliert.A copolymer of an EMA-based ethylene acrylic acid ester with an ester content of 28% (LOTRYL R 29 MA 03) is mixed with 50% by weight of aluminum hydroxide (MARTINAL R ON 310), 1% by weight of a metal salt of stearic acid (ZINCUM R 5). and 1% by weight of a processing stabilizer based on phosphite, as well as sterically hindered phenols (IRGANOX R B 220), premixed and plastified in a stamp kneader at 130 ° C and then further homogenized on a downstream two-roll mixing mill, followed by a 4-roll To be calendered into a 0.5 mm thick film, the processing temperature dropping from 145 to 130 ° C. from the first to the fourth calender roll. The individual foils produced in this way are subsequently duplicated or tripled on a duplicating calender system to form an end foil of up to 3 mm in thickness.

Folie 4 (Unterteil):Slide 4 (lower part):

25 Gew.-% eines Polypropylen-Random-Copolymers mit einem Comonomergehalt von ca. 4 % und einem Schmelzindex MFI (230 °C/2,16 kg) von 1,5 g/10 min (SHELLR PLZ 838) werden mit 25 Gew.-% eines Copolymerisates eines Ethylenacrylsäureesters auf EMA-Basis mit einem Estergehalt von 28 % (LOTRYLR 29 MA 03), mit 50 Gew.-% Aluminiumhydroxid (MARTINALR ON 310), mit 1 Gew.-% eines Metallsalzes der Stearinsäure (ZINCUMR 5) und mit 1 Gew.-% eines Verarbeitungsstabilisators auf Phosphitbasis wie auch sterisch gehinderter Phenole (IRGANOXR B 220) vorgemischt und in einem Stempelkneter bei 150 °C anplastifiziert und anschließend auf einem nachgeschalteten Zweiwalzen-Mischwalzwerk weiter durchhomogenisiert, um nachfolgend über eine 4-Walzen-Kalanderanlage zu einer Folie von bis zu 0,50 mm Stärke kalandriert zu werden, wobei von der ersten bis zur vierten Kalanderwalze die Verarbeitungstemperatur von 170 auf 160 °C sinkt.25% by weight of a polypropylene random copolymer with a comonomer content of approx. 4% and a melt index MFI (230 ° C / 2.16 kg) of 1.5 g / 10 min (SHELL R PLZ 838) are at 25 % By weight of a copolymer of an ethylene acrylic acid ester based on EMA with an ester content of 28% (LOTRYL R 29 MA 03), with 50% by weight of aluminum hydroxide (MARTINAL R ON 310), with 1% by weight of a metal salt of stearic acid (ZINCUM R 5) and premixed with 1% by weight of a processing stabilizer based on phosphite as well as sterically hindered phenols (IRGANOX R B 220) and plasticized in a stamp kneader at 150 ° C and then further homogenized on a downstream two-roll mixing mill, in order subsequently to be calendered to a film of up to 0.50 mm thick using a 4-roll calender system, from the first to the first fourth calender roll the processing temperature drops from 170 to 160 ° C.

Anwendungsbeispiel 1 (Abb. 1):Application example 1 (Fig. 1):

Auf einer Dublierkalanderanlage werden Folie 1 (Nutzschicht) und Folie 2 (Siegelschicht) zu einer bis 1,5 mm starken transparenten Endfolie zusammengefügt, welche anschließend in einer Presse oder Preßanlage bei Temperaturen von 140 bis 150 °C mit Lagen aus Kork oder Korkplatten verpreßt wird. Die Korkunterlage wird noch mit Folie 2 (Siegelschicht) und Folie 4 (verklebbare Unterschicht) auch bei Temperaturen von 140 bis 150 °C auf einer Presse oder Preßanlage zum Endprodukt verpreßt.On a duplicating calender system, film 1 (wear layer) and film 2 (sealing layer) are joined to form a transparent end film up to 1.5 mm thick, which is then pressed in a press or press system at temperatures of 140 to 150 ° C with layers of cork or cork sheets . The cork underlay is still pressed with film 2 (sealing layer) and film 4 (glueable underlayer) to the end product even at temperatures of 140 to 150 ° C. on a press or press system.

Anwendungsbeispiel 2 (Abb. 2):Application example 2 (Fig. 2):

Auf einer Dublierkalanderanlage werden Folie 1 (Nutzschicht) und Folie 2 (Siegelschicht) zu einer 1,5 mm starken Folie dubliert; anschließend werden Folie 4 (verklebbare Unterschicht) mit Folie 2 (Siegelschicht) zu einer 1 mm starken Folie dubliert. Das gefüllte Zwischenteil besteht aus der Folie 3, die auf einer Dublierkalanderanlage zu einer Endstärke von 3 mm dubliert bzw. tripliert wird. Im Anschluß daran werden alle 3 auf diese Art und Weise hergestellten Folien ebenfalls auf einer Dublierkalanderanlage zu einem mehrlagigen Fußbodenbelag von einer Endstärke von 5,5 mm dubliert.Foil 1 (wear layer) and foil 2 (sealing layer) are duplicated to a 1.5 mm thick foil on a duplicating calender system; then foil 4 (glue-on underlayer) is duplicated with foil 2 (sealing layer) to a 1 mm thick foil. The filled intermediate part consists of the film 3, which is duplicated or tripled on a duplicating calender system to a final thickness of 3 mm. Subsequently, all 3 films produced in this way are also duplicated on a duplicating calender system to form a multilayer floor covering with a final thickness of 5.5 mm.

Anwendungsbeispiel 3 (Abb. 3):Application example 3 (Fig. 3):

Auf einer Dublierkalanderanlage werden die mit einem Konterdruck versehene Folie 1 (Nutzschicht) und Folie 2 (Siegelschicht) zu einer 1,5 mm starken Folie dubliert; anschließend werden Folie 4 (verklebbare Unterschicht) mit Folie 2 (Siegelschicht) zu einer 1 mm starken Folie dubliert. Im Anschluß daran werden diese beiden Folien auf einer Presse oder Preßanlage bei Temperaturen von 140 bis 150 °C mit Lagen aus Kork oder Korkbahnen verpreßt.On a duplicating calender system, the film 1 (wear layer) and film 2 (sealing layer) provided with a counter pressure are duplicated to a 1.5 mm thick film; subsequently foil 4 (glue-on underlayer) is duplicated with foil 2 (sealing layer) to a 1 mm thick foil. Then these two foils are pressed on a press or press system at temperatures of 140 to 150 ° C with layers of cork or cork sheets.

Anwendungsbeispiel 4 (Abb. 4):Application example 4 (Fig. 4):

Auf einer Dublierkalanderanlage werden Folie 1 (Nutzschicht) und Folie 2 (Siegelschicht) zu einer 1,5 mm starken transparenten Endfolie zusammengefügt. Anschließend werden Folie 2 (Siegelschicht) und Folie 4 (verklebbare Unterschicht) zu einer 1 mm starken Endfolie dubliert, auf der dann die Schaumunterlage gemäß DE-P 42 22 724 aufgebracht wird. Im Anschluß daran wird die 1,5 mm starke Endfolie mit der Schaumunterlage verbunden.On a duplicating calender system, film 1 (wear layer) and film 2 (sealing layer) are put together to form a 1.5 mm thick transparent end film. Subsequently, film 2 (sealing layer) and film 4 (sublayer which can be glued) are duplicated to form a 1 mm thick end film, on which the foam base according to DE-P 42 22 724 is then applied. The 1.5 mm thick end film is then connected to the foam base.

Der auf diese Art und Weise mehrlagig aufgebaute Fußbodenbelag (s. Bsp. 1) besitzt folgende Eigenschaften: Shore-Härte A: 87 DIN 53505 D: 31 DIN 53505 Eindruckverhalten 2,5 h Belastung: 0,32 mm DIN 51955 2,5 h Entlastung: 88 % DIN 51955 Schüsselung: längs: 0 mm DIN 51962 quer: 0 mm DIN 51962 Verschleiß: 0,99 mm DIN 51963 entsprechender Belag auf PVC-Basis: 1,95 mm Gleitverhalten (längs) trocken: 90 cm gemäß BAM-Prüfung naß: 112 cm (StVZO § 35d) entsprechender Belag auf PVC-Basis: trocken: 140 cm gemäß BAM-Prüfung naß: 155 cm (StVZO § 35d) Brandprüfung: NBR MVSS 302 B 2 DIN 4102 Verschleißwerte der transparenten Nutzschicht (Frankenthaler Methode) PE PP Werte 70 Gew.-% 30 Gew.-% 0,68 65 Gew.-% 35 Gew.-% 0,69 60 Gew.-% 40 Gew.-% 0,74 40 Gew.-% 60 Gew.-% 0,36 The floor covering constructed in this way in several layers (see example 1) has the following properties: Shore hardness A: 87 DIN 53505 D: 31 DIN 53505 Impression behavior 2.5 h load: 0.32 mm DIN 51955 2.5 h discharge: 88% DIN 51955 Raising: along: 0 mm DIN 51962 across: 0 mm DIN 51962 Wear: 0.99 mm DIN 51963 corresponding PVC-based covering: 1.95 mm Sliding behavior (longitudinal) dry: 90 cm according to BAM test wet: 112 cm (StVZO § 35d) corresponding PVC-based covering: dry: 140 cm according to BAM test wet: 155 cm (StVZO § 35d) Fire test: NBR MVSS 302 B 2 DIN 4102 Wear values of the transparent wear layer (Frankenthal method) PE PP values 70% by weight 30% by weight 0.68 65% by weight 35% by weight 0.69 60% by weight 40% by weight 0.74 40% by weight 60% by weight 0.36

Claims (11)

Fußbodenbelag auf der Basis von mindestens einer Polyolefin oder polyolefinhaltigen Schicht oder Folie, wobei die mehrschichtige Fußbodenbelagfolie bis zu 5 Schichten oder Folien aufweist, dadurch gekennzeichnet, daß die eine Schicht aus einer transparenten Oberfolie oder Nutzschicht besteht, eine Schichtdicke von 80 bis 1000 µm aufweist und aus einer polyolefinhaltigen Kunststoffmischung besteht, die über eine transparente Siegelfolie, die aus einem Polyolefin oder einer Polyolefinmischung besteht und eine Schichtdicke von 5 bis 500 µm besitzt, mit einem Zwischenteil, welches aus einem hochgefüllten Polyolefin oder aus einer hochgefüllten Polyolefinmischung, mit einer Schichtdicke von bis zu 3 mm, ggf. auch Korkplatten oder Korkbahnen oder auch aus einer Schaumunterlage auf EVA-Basis besteht, verbunden ist, wobei das Zwischenteil ggf. auch über auch über die transparente Siegelschicht noch mit einem mit dem Untergrund verklebbaren Unterteil verbunden ist, welches aus einer Füllstoff enthaltenden Polyolefinmischung mit einer Schichtdicke von bis zu 500 µm verbunden ist, wobei alle Formmassen, die aus Polyolefinen oder Polyolefinmischungen bestehen, gefüllt oder ungefüllt sein, und auch Verarbeitungshilfsmittel und/oder Farbkomponenten enthalten können.Floor covering on the basis of at least one polyolefin or layer or film containing polyolefin, the multilayer floor covering film having up to 5 layers or films, characterized that the one layer consists of a transparent top film or wear layer, has a layer thickness of 80 to 1000 microns and consists of a polyolefin-containing plastic mixture that has a transparent sealing film consisting of a polyolefin or a polyolefin mixture and a layer thickness of 5 to 500 microns has, with an intermediate part, which is made of a highly filled polyolefin or a highly filled polyolefin mixture, with a layer thickness of up to 3 mm, possibly also cork boards or cork sheets or a foam pad based on EVA, is connected, the intermediate part if necessary is also connected via the transparent sealing layer to a lower part which can be glued to the substrate and which is connected from a filler-containing polyolefin mixture with a layer thickness of up to 500 μm, all molding compounds consisting of polyolefins or polyolefin mixtures being filled or unfilled be and may also contain processing aids and / or color components. Fußbodenbelag nach Anspruch 1, dadurch gekennzeichnet, daß die transparente Nutzschicht aus 20 bis 80 Gew.-% eines Polyethylens sehr niederer Dichte (VLDPE) mit einem Schmelzindex MFI (190 °C/2,16kg) von bis zu 10 g/10 min, vorzugsweise 0,3 bis 7 g/10 min, und 20 bis 80 Gew.-%, vorzugsweise 30 bis 40 Gew.-%, eines Polypropylen-Copolymers mit einem Comonomergehalt von bis zu 12 %, vorzugsweise 4 bis 8 %, besteht und bis zu 4 Gew.-% an Verarbeitungshilfsmitteln enthält.Floor covering according to claim 1, characterized in that the transparent wear layer made of 20 to 80% by weight of a very low density polyethylene (VLDPE) with a melt index MFI (190 ° C / 2.16kg) of up to 10 g / 10 min, preferably 0.3 to 7 g / 10 min, and 20 to 80% by weight, preferably 30 to 40% by weight, of a polypropylene copolymer with a comonomer content of up to 12%, preferably 4 to 8%, and contains up to 4% by weight of processing aids. Fußbodenbelag nach Anspruch 1, dadurch gekennzeichnet, daß die transparente Siegelschicht oder Siegelfolie sowohl zwischen Nutzschicht und Zwischenteil, als auch ggf. zwischen Unterschicht und Zwischenteil aus einer Mischung von LLDPE und VLDPE besteht.Floor covering according to claim 1, characterized in that the transparent sealing layer or sealing film consists of a mixture of LLDPE and VLDPE both between the wear layer and the intermediate part and, if appropriate, between the lower layer and the intermediate part. Fußbodenbelag nach Anspruch 1 dadurch gekennzeichnet, daß das Zwischenteil eine Mischung aus bis zu 65 Gew.-%, vorzugsweise 40 bis 60 Gew.-%, eines Copolymerisates eines Ethylenacrylsäureesters auf EBA- oder EMA-Basis mit einem Estergehalt von bis zu 40 % mit bis zu 10 Gew.-%, vorzugsweise 5 bis 8 Gew.-%, eines HDPE mit einer Dichte > 0,940 g/cm³ und einem Schmelzindex MFI (190 °C/21,6 kg) unter 10 g/10 min oder ggf. mit einem VLDPE mit einer Dichte von < 0,915 g/cm³ und einem Schmelzindex MFI (190 °C/2,16 kg) zwischen 1,0 und 10 g/10 min sowie bis zu 60 Gew.-% eines mineralischen Füllstoffes oder Füllstoffgemisches, bestehend aus Aluminiumhydroxid und/oder Magnesiumhydroxid mit einem mittleren Körnungsdurchmesser von bis zu 35 µm, vorzugsweise 1,0 bis 15 µm, und bis zu 2 Gew.-% an Verarbeitungshilfsmitteln auf Basis sterisch gehinderter Phenole und/oder Phosphiten und Metallsalzen von Carbonsäure, insbesondere Magnesiumstearat, und ggf. zusätzlich bis zu 20 Gew.-% an Farbkomponenten, ist.Floor covering according to claim 1, characterized in that the intermediate part comprises a mixture of up to 65% by weight, preferably 40 to 60% by weight, of a copolymer of an ethylene acrylic acid ester based on EBA or EMA with an ester content of up to 40% up to 10% by weight, preferably 5 to 8% by weight, of an HDPE with a density> 0.940 g / cm 3 and a melt index MFI (190 ° C./21.6 kg) below 10 g / 10 min or, if appropriate with a VLDPE with a density of <0.915 g / cm³ and a melt index MFI (190 ° C / 2.16 kg) between 1.0 and 10 g / 10 min and up to 60% by weight of a mineral filler or filler mixture, consisting of aluminum hydroxide and / or magnesium hydroxide with an average grain diameter of up to 35 microns, preferably 1.0 to 15 microns, and up to 2 wt .-% of processing aids based on sterically hindered phenols and / or phosphites and metal salts of carboxylic acid, in particular Magnesium stearate, and possibly up to 20% by weight of Fa rb components, is. Fußbodenbelag nach Anspruch 1, dadurch gekennzeichnet, daß das Unterteil eine Mischung von bis zu 60 Gew.-%, vorzugsweise 30 bis 50 Gew.-%, von einem statistischen Copolymer eines Polypropylens mit einem Schmelzindex MFI (230 °C/2,16 kg) von < als 11 g/10 min und bevorzugt 2 bis 8 g/10 min und einem Comonomergehalt von < als 10 % und bevorzugt 3 bis 5 % mit bis zu 45 Gew.-%, vorzugsweise 25 bis 35 Gew.-%, eines Copolymerisates eines Ethylenacrylsäureesters auf EBA- oder EMA-Basis mit einem Estergehalt von bis zu 40 % und/oder eines Terpolymers eines Acrylsäureesters mit einem Comonomergehalt von bis zu 40 % und/oder eines Copolymerisates eines Polypropylens mit Maleinsäureanhydrid und/oder eines Copolymerisates eines Polyethylens mit Maleinsäureanhydrid mit einem Schmelzindex MFI (230 °C/2,16 kg) von bis zu 30 g/10 min und bis zu 60 Gew.-%, vorzugsweise 20 bis 25 Gew.-%, eines mineralischen Füllstoffes oder Füllstoffgemisches, bestehend aus Aluminiumhydroxid und/oder Magnesiumhydroxid mit einem mittleren Körnungsdurchmesser von bis zu 35 µm, vorzugsweise 1,0 bis 15 µm, und Verarbeitungshilfsmitteln auf Basis sterisch gehinderter Phenole und/oder Phosphiten und Metallsalzen von Carbonsäuren, insbesondere Magnesiumstearat ist.Floor covering according to claim 1, characterized in that the lower part is a mixture of up to 60% by weight, preferably 30 to 50% by weight, of a random copolymer of a polypropylene with a melt index MFI (230 ° C / 2.16 kg) of <than 11 g / 10 min and preferably 2 to 8 g / 10 min and a comonomer content of <than 10% and preferably 3 to 5% with up to 45% by weight, preferably 25 to 35 wt .-%, a copolymer of an ethylene acrylic acid ester based on EBA or EMA with an ester content of up to 40% and / or a terpolymer of an acrylic acid ester with a comonomer content of up to 40% and / or a copolymer of a polypropylene with maleic anhydride and / or a copolymer of a polyethylene with maleic anhydride with a melt index MFI (230 ° C / 2.16 kg) of up to 30 g / 10 min and up to 60% by weight, preferably 20 to 25% by weight , a mineral filler or filler mixture consisting of aluminum hydroxide and / or magnesium hydroxide with an average grain diameter of up to 35 µm, preferably 1.0 to 15 µm, and processing aids based on sterically hindered phenols and / or phosphites and metal salts of carboxylic acids, especially magnesium stearate. Verfahren zur Herstellung von Bodenbelägen gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß man Folien oder Folienbahnen der angegebenen Zusammensetzung in an sich bekannter Weise durch Kalandrieren oder Extrudieren herstellt und durch Dublizieren unter Wärme und Druck vereinigt.Process for the production of floor coverings according to one of Claims 1 to 5, characterized in that films or film webs of the specified composition are produced in a manner known per se by calendering or extruding and combined by duplication under heat and pressure. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß eine oder mehrere der Folien oder Folienbahnen mit einem Dekor bedruckt ist.Method according to claim 6, characterized in that one or more of the foils or foil webs is printed with a decor. Verfahren nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, daß die transparente Nutzschicht mit einer transparenten Siegelschicht zusammen über einen herkömmlichen Breitschlitzextruder coextrudiert wird.Method according to one of claims 6 or 7, characterized in that the transparent wear layer with a transparent sealing layer is coextruded together using a conventional slot extruder. Verfahren zur Herstellung von Folien oder Folienbahnen nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß die transparente Siegelschicht mit einem gefüllten Unterteil zusammen über einen herkömmlichen Breitschlitzextruder coextruidert wird.Process for the production of foils or foil webs according to one of claims 6 to 8, characterized in that the transparent sealing layer is coextruded with a filled lower part together using a conventional slot extruder. Verfahren zur Herstellung eines mehrschichtig aufgebauten Fußbodenbelags nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Zwischenschicht aus Kork oder einer Schaumunterlage auf EVA-Basis aufgebaut ist und die Folien oder Folienbahnen mit dieser Zwischenschicht mittels einer Presse oder Preßanlage zusammengeführt werden.Process for producing a multi-layer floor covering according to one of Claims 1 to 5, characterized in that the intermediate layer is made of cork or an EVA-based foam underlay and the foils or film webs are brought together with this intermediate layer by means of a press or press system. Verfahren nach einem oder mehreren der Ansprüche 6 bis 10, dadurch gekennzeichnet, daß eine oder mehrere der Folien einer Coronabehandlung ausgesetzt wird.Method according to one or more of claims 6 to 10, characterized in that one or more of the films is subjected to a corona treatment.
EP94104475A 1993-04-21 1994-03-22 Multilayered thermoplastic floor covering based on polyolefins and method for its production Expired - Lifetime EP0621128B1 (en)

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DE4313037A DE4313037C2 (en) 1993-04-21 1993-04-21 Multi-layer thermoplastic polyolefin-based floor covering and process for its production
DE4313037 1993-04-21

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AT (1) ATE188911T1 (en)
DE (2) DE4313037C2 (en)
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US8850769B2 (en) 2002-04-15 2014-10-07 Valinge Innovation Ab Floorboards for floating floors
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EP2504389B2 (en) † 2009-11-27 2017-01-11 Tarkett G.D.L. S.a. Floor or wall covering
US9758966B2 (en) 2012-02-02 2017-09-12 Valinge Innovation Ab Lamella core and a method for producing it
US9482015B2 (en) 2012-07-02 2016-11-01 Ceraloc Innovation Ab Panel forming
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US9975267B2 (en) 2013-08-27 2018-05-22 Valinge Innovation Ab Method for producing a lamella core
CN106437082A (en) * 2016-11-22 2017-02-22 江苏欧圣木业有限公司 Wear-resistant easy-to-clean plastic composite floor

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Publication number Publication date
DE4313037C1 (en) 1994-08-25
PT621128E (en) 2000-04-28
DE4313037C2 (en) 1997-06-05
DE59409081D1 (en) 2000-02-24
ATE188911T1 (en) 2000-02-15
ES2142886T3 (en) 2000-05-01
EP0621128B1 (en) 2000-01-19
EP0621128A3 (en) 1995-04-26
DK0621128T3 (en) 2000-05-22

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